A shiny brown coloured element 'X on heating in air becomes black in colour. Can you predict the element X and the black coloured substance formed? How do you support your predictions?

Open in App

Solution

The shiny brown element 'X' is Copper (Cu). The reaction when it is heated in air is given as :
2Cu(Brown) +O $_{2}$ (on heating) $\to$ 2CuO (black)
The black coloured substance formed is Cupric oxide (CuO).

Suggest Corrections

Similar questions

A shiny brown-coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

Q. A shiny brown coloured element

^{'} X^{'}

on heating in air becomes black in colour. Name the element

^{'} X^{'}

and the black coloured compound formed.

A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' , the black coloured compound formed and the reaction. [3 MARKS]

Q. A shiny brown-coloured element 'X' on heating in air becomes black in colour. Name the element 'X'?

Q. Question 17

A shiny brown-colored element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

Join BYJU'S Learning Program

A shiny brown coloured element 'X on heating in air becomes black in colour. Can you predict the element X and the black coloured substance formed? How do you support your predictions?

The shiny brown element 'X' is Copper (Cu). The reaction when it is heated in air is given as :2Cu(Brown) +O2 (on heating) → 2CuO (black)The black coloured substance formed is Cupric oxide (CuO).

The shiny brown element 'X' is Copper (Cu). The reaction when it is heated in air is given as :
2Cu(Brown) +O $_{2}$ (on heating) $\to$ 2CuO (black)
The black coloured substance formed is Cupric oxide (CuO).